21254400

素因数分解:

$2^8\times 3^4\times 5^2\times {\mathrm{41}}^1$

素因数の和:79

約数の個数: 270

約数和(自身を含む): 80503962

約数和(自身を除く): 59249562

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 41, 45, 48, 50, 54, 60, 64, 72, 75, 80, 81, 82, 90, 96, 100, 108, 120, 123, 128, 135, 144, 150, 160, 162, 164, 180, 192, 200, 205, 216, 225, 240, 246, 256, 270, 288, 300, 320, 324, 328, 360, 369, 384, 400, 405, 410, 432, 450, 480, 492, 540, 576, 600, 615, 640, 648, 656, 675, 720, 738, 768, 800, 810, 820, 864, 900, 960, 984, 1025, 1080, 1107, 1152, 1200, 1230, 1280, 1296, 1312, 1350, 1440, 1476, 1600, 1620, 1640, 1728, 1800, 1845, 1920, 1968, 2025, 2050, 2160, 2214, 2304, 2400, 2460, 2592, 2624, 2700, 2880, 2952, 3075, 3200, 3240, 3280, 3321, 3456, 3600, 3690, 3840, 3936, 4050, 4100, 4320, 4428, 4800, 4920, 5184, 5248, 5400, 5535, 5760, 5904, 6150, 6400, 6480, 6560, 6642, 6912, 7200, 7380, 7872, 8100, 8200, 8640, 8856, 9225, 9600, 9840, 10368, 10496, 10800, 11070, 11520, 11808, 12300, 12960, 13120, 13284, 14400, 14760, 15744, 16200, 16400, 16605, 17280, 17712, 18450, 19200, 19680, 20736, 21600, 22140, 23616, 24600, 25920, 26240, 26568, 27675, 28800, 29520, 31488, 32400, 32800, 33210, 34560, 35424, 36900, 39360, 43200, 44280, 47232, 49200, 51840, 52480, 53136, 55350, 57600, 59040, 64800, 65600, 66420, 70848, 73800, 78720, 83025, 86400, 88560, 94464, 98400, 103680, 106272, 110700, 118080, 129600, 131200, 132840, 141696, 147600, 157440, 166050, 172800, 177120, 196800, 212544, 221400, 236160, 259200, 262400, 265680, 283392, 295200, 332100, 354240, 393600, 425088, 442800, 472320, 518400, 531360, 590400, 664200, 708480, 787200, 850176, 885600, 1062720, 1180800, 1328400, 1416960, 1771200, 2125440, 2361600, 2656800, 3542400, 4250880, 5313600, 7084800, 10627200, 21254400]

約数ペア:

[(1, 21254400), (2, 10627200), (3, 7084800), (4, 5313600), (5, 4250880), (6, 3542400), (8, 2656800), (9, 2361600), (10, 2125440), (12, 1771200), (15, 1416960), (16, 1328400), (18, 1180800), (20, 1062720), (24, 885600), (25, 850176), (27, 787200), (30, 708480), (32, 664200), (36, 590400), (40, 531360), (41, 518400), (45, 472320), (48, 442800), (50, 425088), (54, 393600), (60, 354240), (64, 332100), (72, 295200), (75, 283392), (80, 265680), (81, 262400), (82, 259200), (90, 236160), (96, 221400), (100, 212544), (108, 196800), (120, 177120), (123, 172800), (128, 166050), (135, 157440), (144, 147600), (150, 141696), (160, 132840), (162, 131200), (164, 129600), (180, 118080), (192, 110700), (200, 106272), (205, 103680), (216, 98400), (225, 94464), (240, 88560), (246, 86400), (256, 83025), (270, 78720), (288, 73800), (300, 70848), (320, 66420), (324, 65600), (328, 64800), (360, 59040), (369, 57600), (384, 55350), (400, 53136), (405, 52480), (410, 51840), (432, 49200), (450, 47232), (480, 44280), (492, 43200), (540, 39360), (576, 36900), (600, 35424), (615, 34560), (640, 33210), (648, 32800), (656, 32400), (675, 31488), (720, 29520), (738, 28800), (768, 27675), (800, 26568), (810, 26240), (820, 25920), (864, 24600), (900, 23616), (960, 22140), (984, 21600), (1025, 20736), (1080, 19680), (1107, 19200), (1152, 18450), (1200, 17712), (1230, 17280), (1280, 16605), (1296, 16400), (1312, 16200), (1350, 15744), (1440, 14760), (1476, 14400), (1600, 13284), (1620, 13120), (1640, 12960), (1728, 12300), (1800, 11808), (1845, 11520), (1920, 11070), (1968, 10800), (2025, 10496), (2050, 10368), (2160, 9840), (2214, 9600), (2304, 9225), (2400, 8856), (2460, 8640), (2592, 8200), (2624, 8100), (2700, 7872), (2880, 7380), (2952, 7200), (3075, 6912), (3200, 6642), (3240, 6560), (3280, 6480), (3321, 6400), (3456, 6150), (3600, 5904), (3690, 5760), (3840, 5535), (3936, 5400), (4050, 5248), (4100, 5184), (4320, 4920), (4428, 4800)]